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Cat Age Calculator

Here you can find answers to questions like: I am 97 years old. How old am i in cat years? What is the cat years equivalent for a 97 years human? 97 years are equivalent to how many cat years?

You can use the this Cat Age Calculator also known as Cat Years Calculator to find your cat's age in cat years (cat's relative age), as if he/she were a human, or your age in cat years.

Cat Age Calculator

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(*) You can also type decimal values. For example: 1.5 = 1 year and 6 months.

About cat years

This calculator is based on the average lifespan of a healthy cat. Experts say that a one year old cat has roughly the age of a 15 years old human and a two years old cat has the age of a 25 years old human. After two years old the cats mature slowly, so that a 15 year old cat is roughly comparable to a 76 year old human (see the graph below). Cats that live indoors can live longer than cats that live outside.

Note: There is no reliable method for calculating precisily how old your cat is in human years equivalent. So, it is possible to find calculators that show diferent values for the same human age. It is because there are different models to calculate the cats age.

Graph of cat age versus human age

Approximate graph of cat age versus human age.

How long do cats live on average?

What are the facts on cats’ longevity? The ideal cat “can” or “may” live to 20 years and older. On average, wild, homeless, and feral cats live dramatically shorter lives than domestic cats. Outdoor cat lifespan ranges widely, anywhere from three to 10 years. Indoor cats live nearly three times as long as outdoor cats. The numbers varied widely ranging from 14 to 20 years. source: http://www.catster.com/lifestyle/how-long-do-cats-live-cat-health-facts.

Cat life stages chart

According to the site icatcare.org, there are 6 life stages for cats:

Kitten (0-6 months) the young cat is growing rapidly and is usually not quite sexually mature

Junior (6 months-2 years) the cat reaches full size and learns about life and how to survive it

Prime (3-6 years) the cat is mature physically and behaviourally, and is still usually healthy and active, looking sleek and shiny and making the best of life

Mature (7-10 years) the cat is what we call 'Mature', equivalent to humans in their mid-40s to mid-50s

Senior (11-14 years) takes the cat up to the equivalent of about 70 human years.

Geriatric (15 years and over) many cats do reach this stage, some not showing any signs of being geriatric at all!